Home / 936,922.90-1,405,173.75-430,998.13

Finding the Fourth Proportional to 936,922.90, 1,405,173.75 and 430,998.13

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Solution

The fourth proportional to 936,922.90, 1,405,173.75 and 430,998.13 is: 646,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,922.90 : 1,405,173.75 = 430,998.13 : x
  2. Step 2: Convert to fraction form
    936,922.90/1,405,173.75 = 430,998.13/x
  3. Step 3: Cross multiply
    936,922.90x = 1,405,173.75 × 430,998.13
  4. Step 4: Simplify right side
    936,922.90x = 605,627,258,575.09
  5. Step 5: Solve for x
    x = 605,627,258,575.09/936,922.90
  6. Step 6: Final answer
    x = 646,400.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.